The asker opted for community grading. The question was closed on 2009-07-09 19:54:05 based on peer agreement (or, if there were too few peer comments, asker preference.)
German to English translations [PRO] Tech/Engineering - Chemistry; Chem Sci/Eng
German term or phrase:intervallmäßig
A patent for a vaporization system for brine that forms on dump sites:
"Insbesondere ein intervallmaessiger Betrieb kann sich empfehlen, wenn ein wesentlicher Teil der Verdunstung erst and der Haldenoberflaeche erfolgen soll."